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Mass spectrometry [of adduct] (08/05/1976)
Purpose/Intro: "A sample of adduct was prepared (described previously) and divided into two portions for mass spectroscopy."
Results/Conclusion: "The high resolution mass spectrum initially showed nothing—which led (?) to think that the MS sample was a salt. I took back the 2 tubes (broken in half for the MS) and put 2 into scintillation vials—there was a lot of cpm (could probably account for the entire sample in this way). The third sample was dissolved in HPLC mobile phase and injected—a small but definite peak was observed. Finally, (?) resubmitted the last remaining sample to MS—and at very high temperature (for a long time) got a burst of ions."
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